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Lithium Pouch Cell Battery Swelling

Lithium anodes swell during charge cycles, but the chemical breakdown caused by overcharging results in pouch cells severely swelling in size. Actively balancing cell voltages, and controlling the rate of charging are important to extending and protecting the more vulnerable poach cells. Ultimately the battery will be limited by the poorest performing cell. Tracking the state of charge and its changes relative to other cells allows for removal of that cell. Large voltage differences between cells is the warning to reduce or stop charging. #lithiumbattery #battery #batterycharger